RHSA-2022:9082: Important: kpatch-patch security update
This is a kernel live patch module which is automatically loaded by the RPM post-install script to modify the code of a running kernel.<br>Security Fix(es):<br><li> kernel: KVM: cmpxchggpte can write to pfns outside the userspace region (CVE-2022-1158)</li> <li> kernel: openvswitch: integer underflow leads to out-of-bounds write in reservesfasize() (CVE-2022-2639)</li> <li> kernel: watch queue race condition can lead to privilege escalation (CVE-2022-2959)</li> <li> kernel: nfsd buffer overflow by RPC message over TCP with garbage data (CVE-2022-43945)</li> For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Affected Software
Remediation
Event History
Frequently Asked Questions
What is the severity of RHSA-2022:9082?
The severity of RHSA-2022:9082 has not been explicitly stated, but it addresses critical security vulnerabilities in the kernel.
How do I fix RHSA-2022:9082?
To fix RHSA-2022:9082, you should update the kpatch-patch package to the latest version listed in the advisory.
What vulnerabilities does RHSA-2022:9082 address?
RHSA-2022:9082 addresses vulnerabilities including CVE-2022-1158, which affects KVM functionality in the kernel.
Which systems are affected by RHSA-2022:9082?
RHSA-2022:9082 primarily affects Red Hat Enterprise Linux systems using the specified versions of the kpatch-patch package.
Is the update for RHSA-2022:9082 mandatory?
Yes, applying the update for RHSA-2022:9082 is highly recommended to protect against potential security threats.